3k^2+5+6k^2-9=

Solution for 3k^2+5+6k^2-9= equation:

Simplifying
3k2 + 5 + 6k2 + -9 = 0

Reorder the terms:
5 + -9 + 3k2 + 6k2 = 0

Combine like terms: 5 + -9 = -4
-4 + 3k2 + 6k2 = 0

Combine like terms: 3k2 + 6k2 = 9k2
-4 + 9k2 = 0

Solving
-4 + 9k2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 9k2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 9k2 = 0 + 4
9k2 = 0 + 4

Combine like terms: 0 + 4 = 4
9k2 = 4

Divide each side by '9'.
k2 = 0.4444444444

Simplifying
k2 = 0.4444444444

Take the square root of each side:
k = {-0.666666667, 0.666666667}